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May 16, 2021 11:45 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/MErXI2Q2TiE/aluminum-ion-battery-claimed-to-charge-60-times-faster-hold-3x-the-energy
Aluminum-Ion Battery Claimed to Charge 60 Times Faster, Hold 3X the Energy
Graphene aluminum-ion battery cells from Brisbane-based Graphene Manufacturing Group "are claimed to charge up to 60 times faster than the best lithium-ion cells and hold three time the energy of the best aluminum-based cells," writes a transportation correspondent for Forbes:They are also safer, with no upper Ampere limit to cause spontaneous overheating, more sustainable and easier to recycle, thanks to their stable base materials. Testing also shows the coin-cell validation batteries also last three times longer than lithium-ion versions. GMG plans to bring graphene aluminum-ion coin cells to market late this year or early next year, with automotive pouch cells planned to roll out in early 2024. Based on breakthrough technology from the University of Queensland's Australian Institute for Bioengineering and Nanotechnology, the battery cells use nanotechnology to insert aluminum atoms inside tiny perforations in graphene planes... GMG Managing Director Craig Nicol insisted that while his company's cells were not the only graphene aluminum-ion cells under development, they were easily the strongest, most reliable and fastest charging. "It charges so fast it's basically a super capacitor," Nicol claimed. "It charges a coin cell in less than 10 seconds." The new battery cells are claimed to deliver far more power density than current lithium-ion batteries, without the cooling, heating or rare-earth problems they face.... Aluminum-ion technology has intrinsic advantages and disadvantages over the preeminent lithium-ion battery technology being used in almost every EV today. When a cell recharges, aluminum ions return to the negative electrode and can exchange three electrons per ion instead of lithium's speed limit of just one. There is also a massive geopolitical, cost, environmental and recycling advantage from using aluminum-ion cells, because they use hardly any exotic materials. "It's basically aluminum foil, aluminum chloride (the precursor to aluminum and it can be recycled), ionic liquid and urea," Nicol said.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/MErXI2Q2TiE/aluminum-ion-battery-claimed-to-charge-60-times-faster-hold-3x-the-energy
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